gh0strat | e8133cb910d7942b3e41d86fde02e860aa8f19a61ad99d2b390202fee14f20db

Analysis

max time kernel
47s
max time network
76s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
27/11/2022, 15:39 UTC

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General

Target

e8133cb910d7942b3e41d86fde02e860aa8f19a61ad99d2b390202fee14f20db.exe
Size

80KB
MD5

35e7e6980c5409ffcf9d5abee90dd52f
SHA1

6dfe037cb602faf01d0da4b8bc86b8d371f4ee4f
SHA256

e8133cb910d7942b3e41d86fde02e860aa8f19a61ad99d2b390202fee14f20db
SHA512

dc3aed042b1e37ac9d6948df75b988344995e09052c906cf7593fcb14780f03412fb1928ccc77aa92881220528a62abbb40d914bb0b262127118d2a24269d2e4
SSDEEP

1536:0Fz0LnC0atiq+9Cc73McaTBFb0bJ+oa/xrpnHTlyojsjxNe22JjIHMT:0Fz90hq+Yc7Hf4oa5r5sojsj+oMT

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/1716-57-0x0000000010000000-0x0000000010046000-memory.dmp	family_gh0strat
behavioral1/memory/1716-59-0x0000000010000000-0x0000000010046000-memory.dmp	family_gh0strat
behavioral1/memory/1716-62-0x0000000010000000-0x0000000010046000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	e8133cb910d7942b3e41d86fde02e860aa8f19a61ad99d2b390202fee14f20db.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\B1DD4A9B = "C:\\Windows\\B1DD4A9B\\svchsot.exe"	e8133cb910d7942b3e41d86fde02e860aa8f19a61ad99d2b390202fee14f20db.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1716	e8133cb910d7942b3e41d86fde02e860aa8f19a61ad99d2b390202fee14f20db.exe
1716	e8133cb910d7942b3e41d86fde02e860aa8f19a61ad99d2b390202fee14f20db.exe
1716	e8133cb910d7942b3e41d86fde02e860aa8f19a61ad99d2b390202fee14f20db.exe
1716	e8133cb910d7942b3e41d86fde02e860aa8f19a61ad99d2b390202fee14f20db.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1716	e8133cb910d7942b3e41d86fde02e860aa8f19a61ad99d2b390202fee14f20db.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1716	e8133cb910d7942b3e41d86fde02e860aa8f19a61ad99d2b390202fee14f20db.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 684	1716	e8133cb910d7942b3e41d86fde02e860aa8f19a61ad99d2b390202fee14f20db.exe	28
PID 1716 wrote to memory of 684	1716	e8133cb910d7942b3e41d86fde02e860aa8f19a61ad99d2b390202fee14f20db.exe	28
PID 1716 wrote to memory of 684	1716	e8133cb910d7942b3e41d86fde02e860aa8f19a61ad99d2b390202fee14f20db.exe	28
PID 1716 wrote to memory of 684	1716	e8133cb910d7942b3e41d86fde02e860aa8f19a61ad99d2b390202fee14f20db.exe	28
PID 684 wrote to memory of 1180	684	net.exe	30
PID 684 wrote to memory of 1180	684	net.exe	30
PID 684 wrote to memory of 1180	684	net.exe	30
PID 684 wrote to memory of 1180	684	net.exe	30

C:\Users\Admin\AppData\Local\Temp\e8133cb910d7942b3e41d86fde02e860aa8f19a61ad99d2b390202fee14f20db.exe
"C:\Users\Admin\AppData\Local\Temp\e8133cb910d7942b3e41d86fde02e860aa8f19a61ad99d2b390202fee14f20db.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\SysWOW64\net.exe
  net start "Task Scheduler"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:684
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start "Task Scheduler"
    3⤵
    PID:1180

Network

DNS

zeyuansm.vicp.cc

e8133cb910d7942b3e41d86fde02e860aa8f19a61ad99d2b390202fee14f20db.exe

Remote address:

8.8.8.8:53

Request

zeyuansm.vicp.cc

IN A

Response

zeyuansm.vicp.cc

IN A

0.0.0.0

No results found

8.8.8.8:53

zeyuansm.vicp.cc

dns

e8133cb910d7942b3e41d86fde02e860aa8f19a61ad99d2b390202fee14f20db.exe

62 B
78 B
1
1

DNS Request

zeyuansm.vicp.cc

DNS Response

0.0.0.0

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1716-54-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/1716-55-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/1716-57-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/1716-59-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download
memory/1716-62-0x0000000010000000-0x0000000010046000-memory.dmp

Filesize
280KB

Download